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Customer Service

Frequently Asked Questions

General FAQ

Office Hours 

The district is open Monday – Friday from 8:00 AM to 4:00 PM. We are closed holidays.

Office Address 

Midway Sewer District
3030 S. 240th St.
Kent, WA 98032

Mailing Address 

Midway Sewer District
3030 S. 240th ST
Kent, WA 98032


Payment Options


Midway has partnered with Municipal Online Payments to provide you better access to your account online as well as an easy and secure way to pay your bill 24 hours per day.

View your e-billing statement & pay with Municipal Online Payments


Please mail payments to:
Midway Sewer District
3030 S. 240th ST
Kent, WA 98032-2819

Please allow 4 – 5 business days when mailing payments.  Please make checks payable to:  Midway Sewer District.

In Person 

** Midway Sewer is closed to in-person payments during construction. We should re-open early November **

Payments can be made in person at:

  • District Office during business hours. Monday to Friday 8:00 a.m. – 4:00 p.m.
By Phone 

You can call the Midway Sewer District office during business hours and pay with a VISA, MasterCard or Discover over the phone. There are no additional fees for this service. (206) 824-4960. Business Hours: Monday to Friday 8 a.m. – 4:00 p.m.  Closed Holidays

Automatic Payment 

You can sign up for Autopay (thru a bank account) or Auto Credit/Debit  Card payments. 

Enrollment for our Autopay  program is online. Please visit Municipal Online Payments to enroll today.


Account Questions


Midway Sewer District bills on a 60 day bill cycle. The full amount of the bill is due by the due date on the bill.
A late charge of 10% of the current charge will be added after the due date.

Des Moines customers will be charged an additional 6.11% for a City of Des Moines Franchise Fee. The fee is collected by Midway Sewer and paid to the City of Des Moines.

Federal Way customers will be charged an additional 8.55% for a City of Federal Way Utility Tax. The fee is collected by Midway Sewer and paid to the City of Federal Way.

Account Responsibility 

The current property owner is responsible for all charges on the Midway Sewer District bill. By law, sewer charges, including lien costs, remain with the property.  

Account Changes 

If ownership changes, buyer and seller must arrange for payment of previous charges. Please contact the District for a closing bill calculation.

Please contact the District if the mailing address has changed.

Rental Property 

The property owner is legally responsible for all charges on the Midway Sewer bill.

Please see our Forms section for a fill-able form for billing a tenant, billing a property manager or billing a property manager & tenant.

If Midway Sewer is billing a tenant and a lien is filed due to the tenant’s non-payment,  the tenant’s name will be permanently removed from the account. All future billing and correspondence will go directly to the property owner.

If the owner of real property serviced by Midway Sewer District is not also the occupant  of that property, a copy of the bill and any past due notices may be furnished to the owner,  and will be furnished if requested in writing by the owner.

Renter Form

Property Manager Form

Property Manager & Renter form

Vacancy Policy 

1. Property must be continuously vacant for 6 months.

2. Account must be at a zero balance.

If the above items are met, the property owner can write a letter to the District, documenting the service address and the date it became continuously vacant.

Once a property qualifies for the Vacancy Policy, a Vacancy Certificate will need to be completed every billing period to continue suspension of the billing. Please contact the District if you have any questions regarding our Vacancy Policy.

Please see our Forms section for a fill-able Vacancy Certificate.

Vacancy Certificate